4-Methoxy-2'-trifluoromethylbenzophenone

3-Ethoxycarbonyl-3'-nitrobenzophenone

4-ethoxycarbonyl-3'-iodobenzophenone

2-iodo-2'-thiomethylbenzophenone

1-Naphthyl-4-nitrophenyl ketone

4-Nitro-4'-thiomethylbenzophenone

2-Acetoxy-4'-trifluorobenzophenone

2-Acetoxy-4'-cyanobenzophenone

2-Acetoxy-4'-butylbenzophenone

2-Acetoxy-4'-heptylbenzophenone

2-Acetoxy-3',5'-dichlorobenzophenone